When driving, the act of steering the wheel from side-to-side very quickly, creating a side-to-side jerking motion of the vehicle. Called so because that is how babies drive when they are given a toy steering weel. Example: Maggie Simpson in the opening of the The Simpsons. Lesser synonym: swang.

"We're on a very wide street with no cars about in a tan Saturn soccer mom station wagon that rides about an inch off the ground--let's do some baby driving."